From patchwork Wed Oct 18 22:28:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas De Marchi X-Patchwork-Id: 13428043 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B2A1ECDB483 for ; Wed, 18 Oct 2023 22:28:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E30B210E45E; Wed, 18 Oct 2023 22:28:09 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 979A310E45E for ; Wed, 18 Oct 2023 22:28:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1697668086; x=1729204086; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=38dbjyjam5f/4IS4bRBMtexeWurpNxgnMnaGlY6KZr4=; b=ZALldlXff47KV92zBTpIRmk5qHDaz7gMumFWbhtl9ZP7SV/BlfLEspx3 GJGQhlyUty953T4jR2O8LhOgUoASq7zxFmG12brGtsA3SVsBdMbqICZJx cnkYOXIUkj4Xi7gzcU4VI4LksipD6bAN9TAMyLswJ6WD2blfzRTm0awcu eJHFXH9YOJm76ojqdaTxMzt3QnsgMa8Rla8LdzJMeXFuBvodb5obj8im1 /jUvz9/8Lp0Cl7siJuqLgfzZDC7DQk2JkBBTuWeoHFtelXAU8sfLhaJdi Ri5pDMOKtwAx0pfgRnA05mPlcJEyi8O/tTAF4SCqUg+IzQyCg5aDLCeBz w==; X-IronPort-AV: E=McAfee;i="6600,9927,10867"; a="450348298" X-IronPort-AV: E=Sophos;i="6.03,236,1694761200"; d="scan'208";a="450348298" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2023 15:28:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10867"; a="822605194" X-IronPort-AV: E=Sophos;i="6.03,236,1694761200"; d="scan'208";a="822605194" Received: from lucas-s2600cw.jf.intel.com ([10.165.21.196]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Oct 2023 15:28:05 -0700 From: Lucas De Marchi To: intel-gfx@lists.freedesktop.org Date: Wed, 18 Oct 2023 15:28:31 -0700 Message-Id: <20231018222831.4132968-3-lucas.demarchi@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231018222831.4132968-1-lucas.demarchi@intel.com> References: <20231018222831.4132968-1-lucas.demarchi@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/2] drm/i915/display: Abstract C10/C20 pll calculation X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lucas De Marchi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" As done with the hw readout, properly abstract the C10/C20 phy details inside intel_cx0_phy.c. Signed-off-by: Lucas De Marchi Reviewed-by: Gustavo Sousa --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 20 ++++++++++++++++---- drivers/gpu/drm/i915/display/intel_cx0_phy.h | 6 ++---- drivers/gpu/drm/i915/display/intel_ddi.c | 7 +------ drivers/gpu/drm/i915/display/intel_dpll.c | 7 +------ 4 files changed, 20 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 252492ec6111..8ffa52464516 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2378,8 +2378,8 @@ static void intel_c20_pll_program(struct drm_i915_private *i915, BIT(0), cntx ? 0 : 1, MB_WRITE_COMMITTED); } -int intel_c10pll_calc_port_clock(struct intel_encoder *encoder, - const struct intel_c10pll_state *pll_state) +static int intel_c10pll_calc_port_clock(struct intel_encoder *encoder, + const struct intel_c10pll_state *pll_state) { unsigned int frac_quot = 0, frac_rem = 0, frac_den = 1; unsigned int multiplier, tx_clk_div, hdmi_div, refclk = 38400; @@ -2405,8 +2405,8 @@ int intel_c10pll_calc_port_clock(struct intel_encoder *encoder, return tmpclk; } -int intel_c20pll_calc_port_clock(struct intel_encoder *encoder, - const struct intel_c20pll_state *pll_state) +static int intel_c20pll_calc_port_clock(struct intel_encoder *encoder, + const struct intel_c20pll_state *pll_state) { unsigned int frac, frac_en, frac_quot, frac_rem, frac_den; unsigned int multiplier, refclk = 38400; @@ -3065,3 +3065,15 @@ void intel_cx0pll_readout_hw_state(struct intel_encoder *encoder, else intel_c20pll_readout_hw_state(encoder, &pll_state->c20); } + +int intel_cx0pll_calc_port_clock(struct intel_encoder *encoder, + const struct intel_cx0pll_state *pll_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (intel_is_c10phy(i915, phy)) + return intel_c10pll_calc_port_clock(encoder, &pll_state->c10); + + return intel_c20pll_calc_port_clock(encoder, &pll_state->c20); +} diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.h b/drivers/gpu/drm/i915/display/intel_cx0_phy.h index ff7ccb7855aa..222aed16e739 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.h +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.h @@ -33,17 +33,15 @@ intel_mtl_port_pll_type(struct intel_encoder *encoder, int intel_cx0pll_calc_state(struct intel_crtc_state *crtc_state, struct intel_encoder *encoder); void intel_cx0pll_readout_hw_state(struct intel_encoder *encoder, struct intel_cx0pll_state *pll_state); +int intel_cx0pll_calc_port_clock(struct intel_encoder *encoder, + const struct intel_cx0pll_state *pll_state); void intel_c10pll_dump_hw_state(struct drm_i915_private *dev_priv, const struct intel_c10pll_state *hw_state); -int intel_c10pll_calc_port_clock(struct intel_encoder *encoder, - const struct intel_c10pll_state *pll_state); void intel_c10pll_state_verify(struct intel_atomic_state *state, struct intel_crtc *crtc); void intel_c20pll_dump_hw_state(struct drm_i915_private *i915, const struct intel_c20pll_state *hw_state); -int intel_c20pll_calc_port_clock(struct intel_encoder *encoder, - const struct intel_c20pll_state *pll_state); void intel_cx0_phy_set_signal_levels(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state); int intel_cx0_phy_check_hdmi_link_rate(struct intel_hdmi *hdmi, int clock); diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 80a8ab7874db..c4dc1f71da4b 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3854,18 +3854,13 @@ void intel_ddi_get_clock(struct intel_encoder *encoder, static void mtl_ddi_get_config(struct intel_encoder *encoder, struct intel_crtc_state *crtc_state) { - struct drm_i915_private *i915 = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(i915, encoder->port); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); if (intel_tc_port_in_tbt_alt_mode(dig_port)) { crtc_state->port_clock = intel_mtl_tbt_calc_port_clock(encoder); - } else if (intel_is_c10phy(i915, phy)) { - intel_cx0pll_readout_hw_state(encoder, &crtc_state->cx0pll_state); - crtc_state->port_clock = intel_c10pll_calc_port_clock(encoder, &crtc_state->cx0pll_state.c10); } else { intel_cx0pll_readout_hw_state(encoder, &crtc_state->cx0pll_state); - crtc_state->port_clock = intel_c20pll_calc_port_clock(encoder, &crtc_state->cx0pll_state.c20); + crtc_state->port_clock = intel_cx0pll_calc_port_clock(encoder, &crtc_state->cx0pll_state); } intel_ddi_get_config(encoder, crtc_state); diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c index d41c1dc9f66c..509b862f9e60 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll.c +++ b/drivers/gpu/drm/i915/display/intel_dpll.c @@ -1003,12 +1003,10 @@ static int dg2_crtc_compute_clock(struct intel_atomic_state *state, static int mtl_crtc_compute_clock(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *i915 = to_i915(state->base.dev); struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); struct intel_encoder *encoder = intel_get_crtc_new_encoder(state, crtc_state); - enum phy phy = intel_port_to_phy(i915, encoder->port); int ret; ret = intel_cx0pll_calc_state(crtc_state, encoder); @@ -1016,10 +1014,7 @@ static int mtl_crtc_compute_clock(struct intel_atomic_state *state, return ret; /* TODO: Do the readback via intel_compute_shared_dplls() */ - if (intel_is_c10phy(i915, phy)) - crtc_state->port_clock = intel_c10pll_calc_port_clock(encoder, &crtc_state->cx0pll_state.c10); - else - crtc_state->port_clock = intel_c20pll_calc_port_clock(encoder, &crtc_state->cx0pll_state.c20); + crtc_state->port_clock = intel_cx0pll_calc_port_clock(encoder, &crtc_state->cx0pll_state); crtc_state->hw.adjusted_mode.crtc_clock = intel_crtc_dotclock(crtc_state);